| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.562 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.815 INCHES MINIMUM AND |
| 0.865 INCHES MAXIMUM |
| FASTENER LENGTH | 2.575 INCHES MINIMUM AND |
| 2.605 INCHES MAXIMUM |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | DISHED HEXAGON |
| HEAD HEIGHT | 0.281 INCHES MINIMUM AND |
| 0.296 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND |
| 0.877 INCHES MAXIMUM |
| GRIP LENGTH | 1.740 INCHES MINIMUM AND |
| 1.760 INCHES MAXIMUM |
| GRIP DIAMETER | 0.5605 INCHES MINIMUM AND |
| 0.5615 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| 32.0 MICROINCHES GRIP |
| 32.0 MICROINCHES THREADS |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.372 INCHES NOMINAL FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND |
| 0.151 INCHES MAXIMUM FIRST HOLE |
| SPECIFICATION/STANDARD DATA | 80205-NAS6809 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |